| /******************************************************************************* |
| * Copyright (c) 2000, 2015 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.help.internal.protocols; |
| import java.io.*; |
| import java.net.*; |
| public class HelpURLStreamHandler extends URLStreamHandler { |
| private static HelpURLStreamHandler instance; |
| /** |
| * Constructor for URLHandler |
| */ |
| public HelpURLStreamHandler() { |
| super(); |
| } |
| /** |
| * @see java.net.URLStreamHandler#openConnection(java.net.URL) |
| */ |
| @Override |
| protected URLConnection openConnection(URL url) throws IOException { |
| String protocol = url.getProtocol(); |
| if (protocol.equals("help")) { //$NON-NLS-1$ |
| return new HelpURLConnection(url); |
| } else if (protocol.equals("localhelp")) { //$NON-NLS-1$ |
| return new HelpURLConnection(url, true); |
| } |
| return null; |
| } |
| |
| public static URLStreamHandler getDefault() { |
| if (instance == null) { |
| instance = new HelpURLStreamHandler(); |
| } |
| return instance; |
| } |
| } |